We are, and will forever be stuck with 24 hours in a day. Trying to do more... and more... and more... with an unchanging space of time is the very definition of ignorance. The most common mistake made by Leaders of people is this—working an employee to the point of exhaustion does not lead to more productivity and higher performance. In fact, working late hours, and long days, with no truly focused time to recenter and recuperate, catastrophically impairs high performance.